5305-01-688-2255

Find complete technical information, availability, and procurement data for: 5305-01-688-2255
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-688-2255

Item Name Code

06660

Assigment Date

05/08/2020 (6 years ago)

A terminal designed to be affixed, usually at one end, to a post, stud, chassis, or the like for mounting. It has provisions for attachment of wire(s) or similar electrical conductor(s) in order to establish an electrical connection and could require the use of tool(s) for attachment of wire. For post like terminals, see terminal stud. Excludes:clip, electrical; terminal, quick disconnect and terminal feedthru.

3a thread class, 0.250 inches nominal fastener length, pan no. 2 head style, right-hand thread direction, 0.178 inches nominal thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.178 inches nominal
Fastener Length: 0.250 inches nominal
Head Style: pan no. 2
Head Diameter: 0.140 inches maximum
Head Height: 0.086 inches maximum
Washer Quantity: 1
Internal Drive Style: hexagon
End Item Identification: 5840-01-669-5071
Nominal Thread Diameter: 0.0860 inches
Width Across Flats: 0.78 inches nominal
Thread Quantity Per Inch: 56
Minimum Tensile Strength: 592 pounds per square inch
Primary Washer Outside Diameter: 0.140 inches maximum
Primary Washer Style: flat
Primary Washer Material Thickness: 0.022 inches maximum
Part Name Assigned By Controlling Agency: screw, captive washer assembly
Material: steel corrosion resisting overall
Surface Treatment: passivate overall
Thread Series Designator: unrc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
FTC7761N02-4C	Assembled Washer Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-688-2255?

The FSCG of the NSN 5305-01-688-2255 is 5305

Does the NSN 5305-01-688-2255 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-688-2255 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-688-2255 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-688-2255 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-688-2255 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Fri, May 8, 2020